Getangle: Difference between revisions

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'''getangle''' <return> <x> <y>
'''getangle''' <return> <x> <y>


Returns the angle formed by the displacements <x> and <y>. In most languages this function is known as arctan2.  
Returns the angle formed by the displacements <x> and <y>.


NOTE: To make one actor face another some subtraction is involved. see [[make one actor face another]] in the examples.
In most languages this function is known as arctan2.
 
== Examples ==
 
To make one actor face another some subtraction is involved.
 
set X sprite[OTHER_SPRITE].x
set Y sprite[OTHER_SPRITE].y
sub X sprite[].x
sub Y sprite[].y
getangle ANG X Y


[[Category:EDuke32 specific commands]]
[[Category:EDuke32 specific commands]]
[[Category:Gamevar manipulation]]
[[Category:Gamevar manipulation]]

Latest revision as of 00:36, 20 February 2020

getangle <return> <x> <y>

Returns the angle formed by the displacements <x> and <y>.

In most languages this function is known as arctan2.

Examples

To make one actor face another some subtraction is involved.

set X sprite[OTHER_SPRITE].x
set Y sprite[OTHER_SPRITE].y
sub X sprite[].x
sub Y sprite[].y
getangle ANG X Y